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Jenkins Hillemory, Richardson, Timertone, Yosemite Cement

Producer in Mariposa county in California, United States with commodity Limestone, General
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Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Public Land Survey System information
  6. Commodities
  7. Nearby scientific data
  8. Economic information about the deposit and operations
  9. Ownership information
  10. Links to other databases
  11. Bibliographic references
  12. General comments
  13. Reporter information

Geologic information

Identification information

Deposit ID 10109244
MRDS ID M009845
Record type Site
Current site name Jenkins Hillemory, Richardson, Timertone, Yosemite Cement

Geographic coordinates

Geographic coordinates: -119.92042, 37.68186 (WGS84)
Relative position SW1/4 7, W1/2 18

Site location context

Political divisions (FIPS codes)

Mariposa(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Kinsley(quadrangle 1:24,000 scale)

Yosemite Valley(quadrangle 1:100,000 scale)

Mariposa(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Merced(hydrologic unit)

San Joaquin(hydrologic accounting unit)

San Joaquin(hydrologic subregion)

California(hydrologic region)

Federal lands

Stanislaus National Forest(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State County
United States California Mariposa

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 03S 19E 07,18 California

Commodities

Commodity Importance
Limestone, General Primary

Nearby scientific data

(1) -119.92042, 37.68186
ListMap

Economic information

Economic information about the deposit and operations

Development status Producer
Commodity type Non-metallic
Significant No

Ownership information

  • Type Operator
    Owner Johnny Richardson

Comments on the production information

  • DEPOSIT PUT INTO PRODUCTION IN 1927. BETWEEN 1927-1944 APPROX. 2,430,843 TONS OF LIMESTONE WAS QUARRIED. PRODUCTION CEASED IN 1944 WHEN SERVICE ON THE YOSEMITE VALLEY RR WAS DISCONTINUED. ONLY A SMALL PERCENTAGE OF THE RESERVES WERE DEPLETED BUT DEPOSIT IS ON RUGGED TERRAIN AND IS NEARLY 60 MILES TO THE NEAREST RAIL-SHIPPING POINT.

Comments on the workings information

  • QUARRY

Reference information

Bibliographic references

  • Deposit

    CALIF. JOUR. MINES & GEOLOGY, V. 53, NOS. 1 & 2, JAN.-APRIL, 1957, PP. 209-210, 336

General comments

Subject category Comment text
Deposit SEVERAL CLAIMS COVERING MOST OF THE LIMESTONE-BEARING LAND. THE LIMESTONE IS DARK-GRAY TO BLACK AND RATHER THINLY BEDDED. THE MAGNESIUM OXIDE CONTENT AVERAGES CONSIDERABLY LESS THAN 3 PERCENT.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1973 Gere, W. U.S. Geological Survey

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.

Maps centered on this site

Authoritative California resources

These are landing pages for further research — the state agencies don't currently expose per-mine deep links.